Global patent index - EP 1027189 A1

EP 1027189 A1 2000-08-16 - LOW TEMPERATURE BOND FOR ABRASIVE TOOLS

Title (en)

LOW TEMPERATURE BOND FOR ABRASIVE TOOLS

Title (de)

NIEDRIGE TEMPERATURBINDUNG FÜR SCHLEIFWERKZEUGE

Title (fr)

LIAISON BASSE TEMPERATURE POUR OUTILS ABRASIFS

Publication

EP 1027189 A1 (EN)

Application

EP 98937249 A

Priority

  • US 9815711 W
  • US 96248297 A

Abstract (en)

[origin: US5863308A] The present invention provides a vitreous-bonded abrasive tool wherein the abrasive grit portion comprises a thermally sensitive abrasive grain, such as sintered sol gel microcrystalline alpha alumina abrasive grain or superabrasive grain, and wherein the vitrified bond may be matured by firing at a temperature below about 875 DEG C. The invention further includes a novel vitrified bond composition.

IPC 1-7 (main, further and additional classification)

B24D 3/14; C04B 35/111

IPC 8 full level (invention and additional information)

B24D 3/00 (2006.01); B24D 3/14 (2006.01); C04B 35/10 (2006.01); C04B 35/111 (2006.01)

CPC (invention and additional information)

B24D 3/14 (2013.01); C04B 35/1115 (2013.01)

Citation (search report)

See references of WO 9922910A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB IT LI LU NL PT SE

EPO simple patent family

US 5863308 A 19990126; AT 242085 T 20030615; AU 726167 B2 20001102; AU 8600498 A 19990524; BR 9813167 A 20000822; CA 2305616 A1 19990514; CA 2305616 C 20040330; DE 69815375 D1 20030710; DE 69815375 T2 20040603; DK 1027189 T3 20030922; EP 1027189 A1 20000816; EP 1027189 B1 20030604; ES 2201516 T3 20040316; JP 2001521829 A 20011113; JP 2006255891 A 20060928; JP 2011131379 A 20110707; JP 4865426 B2 20120201; NZ 503552 A 20021220; PT 1027189 E 20031031; WO 9922910 A1 19990514

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